When did momondo last update prices for flights from Philadelphia Airport to Great Falls Airport?

Prices for flights from Philadelphia Airport to Great Falls Airport are updated daily.

How many operators does momondo search for flights from Philadelphia Airport to Great Falls Airport?

As of December 2025, there are 2 operators available to choose from for flights from Philadelphia Airport to Great Falls Airport.

How old do you have to be to fly from Philadelphia Airport to Great Falls Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Great Falls Airport.

What documentation or ID do you need to fly to Great Falls Airport?

The travel and health documents you'll need for your trip to Great Falls Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Great Falls Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$344 Cheap Flights from Philadelphia to Great Falls in 2025/26

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Find the cheapest flights from Philadelphia to Great Falls

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:06 pm - 5:19 pm

PHL

GTF

24h 13m1 stop

5:59 pm - 6:03 pm

GTF

PHL

22h 04m1 stop

$392Alaska Airlines

Mon, Jan 26 - Sat, Jan 31

1:10 pm - 9:53 pm

PHL

GTF

10h 43m2 stops

6:10 am - 3:50 pm

GTF

PHL

7h 40m1 stop

$404United Airlines

Mon, Jan 26 - Sat, Jan 31

9:40 am - 5:30 pm

PHL

GTF

9h 50m2 stops

1:12 pm - 12:21 am

GTF

PHL

9h 09m2 stops

$409Delta

Mon, Jan 26 - Sat, Jan 31

7:06 pm - 5:19 pm

PHL

GTF

24h 13m1 stop

6:28 pm - 5:20 pm

GTF

PHL

20h 52m1 stop

$422Alaska Airlines

Tue, Feb 10 - Sat, Feb 14

7:00 am - 12:32 pm

PHL

GTF

7h 32m1 stop

1:10 pm - 10:31 am

GTF

PHL

19h 21m2 stops

$464Delta

Tue, Feb 10 - Sat, Feb 14

12:29 pm - 10:30 pm

PHL

GTF

12h 01m2 stops

1:10 pm - 10:31 am

GTF

PHL

19h 21m2 stops

$469Delta

Tue, Feb 10 - Sat, Feb 14

6:30 am - 9:53 pm

PHL

GTF

17h 23m2 stops

2:25 pm - 11:53 pm

GTF

PHL

7h 28m1 stop

$472United Airlines

Tue, Feb 10 - Sat, Feb 14

7:00 am - 3:20 pm

PHL

GTF

10h 20m1 stop

4:00 pm - 5:23 am

GTF

PHL

11h 23m1 stop

$486Alaska Airlines

Tue, Mar 24 - Wed, Mar 25

6:00 am - 5:39 pm

PHL

GTF

13h 39m2 stops

6:20 pm - 5:41 am

GTF

PHL

9h 21m1 stop

$492Delta

Tue, Mar 24 - Wed, Mar 25

6:30 am - 9:53 pm

PHL

GTF

17h 23m2 stops

2:25 pm - 2:24 pm

GTF

PHL

21h 59m2 stops

$509United Airlines

Tue, Feb 10 - Sat, Feb 14

Alaska Airlines flights from Philadelphia to Great Falls

Our best Alaska Airlines deals on Philadelphia to Great Falls flight tickets

Alaska Airlines

Jan 26

PHL7:06 pmPhiladelphia

24h 13m

1 stop

GTF5:19 pmGreat Falls

Jan 31

GTF5:59 pmGreat Falls

22h 04m

1 stop

PHL6:03 pmPhiladelphia

$392

Find similar

Alaska Airlines

Feb 10

PHL7:06 pmPhiladelphia

24h 13m

1 stop

GTF5:19 pmGreat Falls

Feb 14

GTF6:28 pmGreat Falls

20h 52m

1 stop

PHL5:20 pmPhiladelphia

$422

Find similar

Alaska Airlines

Mar 24

PHL7:00 amPhiladelphia

10h 20m

1 stop

GTF3:20 pmGreat Falls

Mar 25

GTF4:00 pmGreat Falls

11h 23m

1 stop

PHL5:23 amPhiladelphia

$486

Find similar

Delta flights from Philadelphia to Great Falls

Our best Delta deals on Philadelphia to Great Falls flight tickets

Delta

Jan 26

PHL9:40 amPhiladelphia

9h 50m

2 stops

GTF5:30 pmGreat Falls

Jan 31

GTF1:12 pmGreat Falls

9h 09m

2 stops

PHL12:21 amPhiladelphia

$409

Find similar

Delta

Feb 10

PHL7:00 amPhiladelphia

7h 32m

1 stop

GTF12:32 pmGreat Falls

Feb 14

GTF1:10 pmGreat Falls

19h 21m

2 stops

PHL10:31 amPhiladelphia

$464

Find similar

Delta

Feb 10

PHL12:29 pmPhiladelphia

12h 01m

2 stops

GTF10:30 pmGreat Falls

Feb 14

GTF1:10 pmGreat Falls

19h 21m

2 stops

PHL10:31 amPhiladelphia

$469

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Mon 1/26

7:06 pm-5:19 pm

1 stop24h 13m

Great Falls

Sat 1/31

5:59 pm-6:03 pm

1 stop22h 04m

$392

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Mon 1/26

1:10 pm-9:53 pm

2 stops10h 43m

Great Falls

Sat 1/31

6:10 am-3:50 pm

1 stop7h 40m

$404

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Mon 1/26

9:40 am-5:30 pm

2 stops9h 50m

Great Falls

Sat 1/31

1:12 pm-12:21 am

2 stops9h 09m

$409

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Tue 2/10

7:06 pm-5:19 pm

1 stop24h 13m

Great Falls

Sat 2/14

6:28 pm-5:20 pm

1 stop20h 52m

$422

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Tue 2/10

7:00 am-12:32 pm

1 stop7h 32m

Great Falls

Sat 2/14

1:10 pm-10:31 am

2 stops19h 21m

$464

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Tue 2/10

12:29 pm-10:30 pm

2 stops12h 01m

Great Falls

Sat 2/14

1:10 pm-10:31 am

2 stops19h 21m

$469

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Tue 2/10

6:30 am-9:53 pm

2 stops17h 23m

Great Falls

Sat 2/14

2:25 pm-11:53 pm

1 stop7h 28m

$472

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Tue 3/24

7:00 am-3:20 pm

1 stop10h 20m

Great Falls

Wed 3/25

4:00 pm-5:23 am

1 stop11h 23m

$486

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Tue 3/24

6:00 am-5:39 pm

2 stops13h 39m

Great Falls

Wed 3/25

6:20 pm-5:41 am

1 stop9h 21m

$492

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Tue 2/10

6:30 am-9:53 pm

2 stops17h 23m

Great Falls

Sat 2/14

2:25 pm-2:24 pm

2 stops21h 59m

$509

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Philadelphia to Great Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Great Falls?

The cheapest day to depart on your flight to Great Falls is on a Tuesday when prices can be found for as low as $548. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Philadelphia because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $775.

What is the cheapest time of day to depart on your flight to Great Falls?

According to our data, the cheapest time of day to fly to Great Falls is in the morning. momondo users have found flights departing from Philadelphia to Great Falls in the morning for as low as $575. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $642 on average. Flights to Great Falls from Philadelphia in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Philadelphia to Great Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Great Falls according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Philadelphia to Great Falls (PHL to GTF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Great Falls

Fastest flight time	7h 23m
Direct flights	None

The fastest flight from Philadelphia to Great Falls takes 7h 23m

There are no direct flights from Philadelphia to Great Falls. There are no popular flight routes from Philadelphia to Great Falls.

Search flight deals

How far is Philadelphia to Great Falls by plane?
A flight from Philadelphia to Great Falls will travel around 1858.6 mi. Typically, this will take 7h 26m by plane in normal conditions.
When did momondo last update prices for flights from Philadelphia Airport to Great Falls Airport?
Prices for flights from Philadelphia Airport to Great Falls Airport are updated daily.
How many operators does momondo search for flights from Philadelphia Airport to Great Falls Airport?
As of December 2025, there are 2 operators available to choose from for flights from Philadelphia Airport to Great Falls Airport.
How old do you have to be to fly from Philadelphia Airport to Great Falls Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Great Falls Airport.
What documentation or ID do you need to fly to Great Falls Airport?
The travel and health documents you'll need for your trip to Great Falls Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Great Falls Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Philadelphia to Great Falls?
momondo data reveals that the most frequently booked airline on the route from Philadelphia to Great Falls is Delta, representing 50% of all bookings. The subsequent popular airline is United Airlines at 50%.

Best airlines flying from Philadelphia to Great Falls

Compare and see reviews for airlines that fly from Philadelphia to Great Falls with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $263	Free Cancellation	Rating 7.9 8,011 reviews		Search Delta flights
United Airlines	PriceFrom $486	Free Cancellation	Rating 7.4 9,066 reviews		Search United Airlines flights

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Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Great Falls?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Great Falls from Philadelphia.

Can I find flights from Philadelphia to Great Falls with flexible booking policies on momondo?

Flights from Philadelphia to Great Falls with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Philadelphia to Great Falls?

Once you have performed a search for Philadelphia to Great Falls flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Philadelphia to Great Falls right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Philadelphia to Great Falls flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.